A plane flies 150 km [N] and then 400 km [E]. What is the total displacement? a. 427 km [N21°E] b. 550 km [NE] c. 250 km [N21°E] d. 427 km [N69°E]
A plane flies 150 km [N] and then 400 km [E]. What is the total displacement? a. 427 km [N21°E] b. 550 km [NE] c. 250 km [N21°E] d. 427 km [N69°E]
College Physics
11th Edition
ISBN:9781305952300
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Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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![A plane flies 150 km [N] and then 400 km [E]. What is the total displacement?
a. 427 km [N21°E]
b. 550 km [NE]
c. 250 km [N21°E]
d. 427 km [N69°E]
How long does it take a car travelling at 22 m/s [N] to stop if it accelerates at 3.8 m/s² [S]?
a. 84 s
b. 5.8 s
c. 0.17 s
d. it will not stop
An object initially moving at 10.0 m/s [N] ends up moving at 10.0 m/s [S] after a period of
12.0 s. What is the object's average acceleration during this period?
a. 0.833 m/s² [S]
b. 0.833 m/s2 [N]
c. 1.67 m/s² [S]
d. 0
An astronaut on the moon throws a wrench straight up at 4.16 m/s and 3.25 s later it is
falling downward with a velocity of 1.14 m/s. What is the acceleration of the wrench after it
leaves the astronaut's hand?
a. 1.63 m/s² [down]
b. 1.28 m/s² [down]
c. 1.08 m/s² [down]
d. 0.929 m/s² [down]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe87e7464-5f1b-43fb-a714-7be3ea40caa5%2F436469b7-68d3-4e7d-ad13-53f7a89f4c52%2F4tg48q_processed.png&w=3840&q=75)
Transcribed Image Text:A plane flies 150 km [N] and then 400 km [E]. What is the total displacement?
a. 427 km [N21°E]
b. 550 km [NE]
c. 250 km [N21°E]
d. 427 km [N69°E]
How long does it take a car travelling at 22 m/s [N] to stop if it accelerates at 3.8 m/s² [S]?
a. 84 s
b. 5.8 s
c. 0.17 s
d. it will not stop
An object initially moving at 10.0 m/s [N] ends up moving at 10.0 m/s [S] after a period of
12.0 s. What is the object's average acceleration during this period?
a. 0.833 m/s² [S]
b. 0.833 m/s2 [N]
c. 1.67 m/s² [S]
d. 0
An astronaut on the moon throws a wrench straight up at 4.16 m/s and 3.25 s later it is
falling downward with a velocity of 1.14 m/s. What is the acceleration of the wrench after it
leaves the astronaut's hand?
a. 1.63 m/s² [down]
b. 1.28 m/s² [down]
c. 1.08 m/s² [down]
d. 0.929 m/s² [down]
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
Step 1
Given data:
Displacement (d1) = 150 km, towards North
Displacement (d2) = 400 km, towards East
Required:
The total displacement
Step by step
Solved in 2 steps with 1 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
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